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ASCII art of a fish. ASCII art is a graphic design technique that uses computers for presentation and consists of pictures pieced together from the 95 printable (from a total of 128) characters defined by the ASCII Standard from 1963 and ASCII compliant character sets with proprietary extended characters (beyond the 128 characters of standard 7-bit ASCII).
The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...
The images at right show how the laser of barcode readers "see" the images behind a red filter. The earliest, and still [when?] the cheapest, barcode scanners are built from a fixed light and a single photosensor that is manually moved across the barcode. Barcode scanners can be classified into three categories based on their connection to the ...
Off-grid and mini-grid systems based on renewable energy, such as small solar PV installations that generate and store enough electricity for a village, are important solutions. [162] Wider access to reliable electricity would lead to less use of kerosene lighting and diesel generators, which are currently common in the developing world.
Non-subscribers were limited to certain types of game play or certain games. Many people use the Internet to access and download music, movies and other works for their enjoyment and relaxation. Free and fee-based services exist for all of these activities, using centralized servers and distributed peer-to-peer technologies.
The map of Australia in the shape of a question mark was adopted as the official logo by the Australian Skeptics in 1996 and is a registered trademark image of the Australian Skeptics Inc. All Australian skeptical groups have been granted unconditional licence to use the image.
In 2013, the energy sold by Hydro-Québec to its grid-connected customers in Quebec and exported to neighboring markets came almost exclusively from renewable sources. Hydro (96.78%) is by far the largest source, followed by wind (2.16%) and biomass, biogas and waste (0.75%). The remainder came from nuclear (0.19%) and thermal (0.12%) generation.
From 2011 to 2021, renewable energy grew from 20% to 28% of global electricity supply. Power from the sun and wind accounted for most of this increase, growing from a combined 2% to 10%. Use of fossil energy shrank from 68% to 62%. [7] In 2022, renewables accounted for 30% of global electricity generation and are projected to reach over 42% by ...